Erin Proulx

Portsmouth NH

KW Coastal and Lakes & Mountains Realty/Portsmouth

208 Closed Sales

$166.2M Total Value

$179.8K - $4.9M Price Range

$798.8K Average Price

Prior 5 years

About Erin

Erin is the founder and CEO of the Proulx Real Estate team at Keller Williams Coastal Realty. In addition to recruiting and building the current and future team, she specializes in listings - new development, existing residences, investment properties and land. She loves the dual art and science that goes into the creation of an outstanding, eye-catching listing. Her in-depth marketplace knowledge, strong relationships with industry specialists, and excellent negotiation skills afford her clients the best possible experience and results. She is consistently in the top 1% of agents in the NH and Maine Seacoast area.

Home Types: House, Condo, Lot/Land, MultiFamily, Commercial, Townhouse, Manufactured

Years of Experience: 9

Transaction History

1 Year
2 Year
5 Year

Seller Deals

Total Deals

Total Value

$34,855,750

Average Sale Price

$995,879

Price Range

$450K - $3.8M

Buyer Deals

Total Deals

Total Value

$3,693,000

Average Sale Price

$923,250

Price Range

$300K - $1.8M

1 Year View by Quarter

Seller Deals

Total Deals

Total Value

$59,697,000

Average Sale Price

$1,085,400

Price Range

$450K - $3.8M

Buyer Deals

Total Deals

Total Value

$8,378,899

Average Sale Price

$761,718

Price Range

$275K - $1.8M

2 Year View by Quarter

Seller Deals

Total Deals

175

Total Value

$139,087,118

Average Sale Price

$794,784

Price Range

$95K - $4.9M

Buyer Deals

Total Deals

Total Value

$27,068,512

Average Sale Price

$820,258

Price Range

$250K - $3.2M

5 Year View

Neighborhoods Erin is Experienced In

Erin's Recent Active Listings

$1,595,000
- 2 Beds
- 2.5 Baths
- 2,174 Sq Ft
4 Island Ave

Unit 5

Kittery, ME
Waterfront living in Kittery! Perched above the Piscataqua River with breathtaking views of downtown Portsmouth, this exceptional condo offers the perfect blend of coastal charm, modern comfort, and unbeatable convenience. Ideally located near restaurants, coffee shops, boutique shopping, entertainment, and more, this home delivers the very best of the Seacoast lifestyle. Thoughtfully updated &

Erin Proulx KW Coastal and Lakes & Mountains Realty/Portsmouth

$1,750,000
- 4 Beds
- 3.5 Baths
- 3,632 Sq Ft
8 Willey Creek Rd

Durham, NH
Set on nearly five acres of park like grounds with sweeping water views, this exceptional waterfront retreat offers a private dock, mooring, and a rare blend of privacy, nature, and convenience. This architecturally striking home offers dramatic floor to ceiling windows, sun filled living spaces, and a flowing open layout designed to bring the outdoors in. Thoughtfully improved over the years,

Erin Proulx KW Coastal and Lakes & Mountains Realty/Portsmouth

$859,000
- 4 Beds
- 3 Baths
- 3,261 Sq Ft
5 Goodwin Rd

Hampton Falls, NH
Tucked away in a private Hampton Falls setting, this meticulously maintained 3-4 bedroom cape-style home is surrounded by flowering landscaping, creating a picturesque retreat. A welcoming farmer’s porch sets the tone, offering the perfect spot to relax and take in the peaceful surroundings. Inside, the spacious first floor offers a wonderful balance of open-concept living and separate spaces to

Erin Proulx KW Coastal and Lakes & Mountains Realty/Portsmouth

$1,110,000
- 4 Beds
- 3.5 Baths
- 2,270 Sq Ft
30 Cate St

Unit 23

Portsmouth, NH
Welcome to West End Landing in the heart of Portsmouth’s West End, one of the city’s most vibrant neighborhoods. You’ll find restaurants, cafes, shops, gyms, and yoga studios, along with quick access to major routes for an easy commute. What truly sets this unit apart is its rare combination of parking and outdoor space. The building is set back from others, allowing for 2 outdoor spaces + 2

Erin Proulx KW Coastal and Lakes & Mountains Realty/Portsmouth

$2,295,000
- 3 Beds
- 3.5 Baths
- 3,071 Sq Ft
12-3 Wentworth Dr

Unit 12-3

Greenland, NH
To Be Built! Welcome to The Dearborn, a thoughtfully designed modern Craftsman-style home that seamlessly blends timeless architecture with today’s most sought-after conveniences. Designed for effortless single-level living, this beautifully crafted residence offers 3,071 square feet of refined living space, including 3 spacious bedrooms & 3.5 well-appointed bathrooms. Set on a peaceful 1.44-acre

Erin Proulx KW Coastal and Lakes & Mountains Realty/Portsmouth

$1,995,000
- 3 Beds
- 2.5 Baths
- 2,544 Sq Ft
12-5 Wentworth Dr

Greenland, NH
TO BE BUILT! Welcome to The Birchwood at Dearborn Woods, Greenland's newest luxury home community by award-winning local custom home builder River Birch Builders. This residence is a beautifully imagined modern craftsman-style home that promises a harmonious blend of timeless design & contemporary convenience. Thoughtfully crafted for effortless single-level living, The Birchwood offers 2,544 sf

Erin Proulx KW Coastal and Lakes & Mountains Realty/Portsmouth

$689,000
- 2 Beds
- 2 Baths
- 1,518 Sq Ft
437 Winnacunnet Rd

Unit 103

Hampton, NH
Bright, sun filled, move in ready condo less than 1 miles from the shores of North Beach! Thoughtfully designed for easy single level living, this modern end unit has 2 bedrooms plus an office, with elevator access from the heated underground garage with two assigned parking spaces. Inside, an inviting open concept layout seamlessly connects the kitchen, dining, and living areas, ideal for

Erin Proulx KW Coastal and Lakes & Mountains Realty/Portsmouth

$2,086,000
- 4 Beds
- 2.5 Baths
- 3,536 Sq Ft
12-4 Wentworth Dr

Unit 12-4

Greenland, NH
To be built! Introducing The Langdon at Dearborn Woods, Greenland's newest luxury home community by award-winning local custom home builder River Birch Builders. This residence is a stunning 3,536 SF new construction home set on a 2.07-acre lot in the picturesque town of Greenland, NH. This home showcases exceptional quality, timeless styling, & meticulous attention to detail. The thoughtful

Erin Proulx KW Coastal and Lakes & Mountains Realty/Portsmouth

$1,145,000
- 2 Beds
- 2 Baths
- 1,253 Sq Ft
18 Congress St

Unit 308

Portsmouth, NH
Welcome to 18 Congress Street set in the heart of Market Square in historic downtown Portsmouth. This building is one of the only modern luxury condominium residences located directly within the historic core of the city. From this address you have easy access to the waterfront, renowned restaurants, charming cafés, boutique shops, and cultural landmarks such as The Music Hall and Jimmy’s Jazz &

Erin Proulx KW Coastal and Lakes & Mountains Realty/Portsmouth

Recently Sold

$1,700,000 Sold May 19, 2026
- 4 Beds
- 3.5 Baths
- 3,552 Sq Ft
24 Great Bay Rd

Greenland, NH
- 3% Below List
- $479/SF
- 5 Days On Market
- Current Est. Value $2M
Erin Proulx KW Coastal and Lakes & Mountains Realty/Portsmouth

$555,000 Sold May 8, 2026
- 1 Bed
- 1 Bath
- 600 Sq Ft
83 Ocean Blvd

Unit 404

Hampton, NH
- 1% Above List
- $925/SF
- 2 Days On Market
- Current Est. Value $521K
Erin Proulx KW Coastal and Lakes & Mountains Realty/Portsmouth

$810,000 Sold May 1, 2026
- 3 Beds
- 2 Baths
- 1,571 Sq Ft
111 Essex Ave

Portsmouth, NH
- $516/SF
- 3 Days On Market
- Current Est. Value $741K
Erin Proulx KW Coastal and Lakes & Mountains Realty/Portsmouth

$711,000 Sold Apr 21, 2026
- 2 Beds
- 1.5 Baths
- 1,424 Sq Ft
295 Maplewood Ave

Unit 2

Portsmouth, NH
- 2% Above List
- $499/SF
- 3 Days On Market
- Current Est. Value $704K
Erin Proulx KW Coastal and Lakes & Mountains Realty/Portsmouth

$1,850,000 Sold Apr 20, 2026
- 4 Beds
- 2.5 Baths
- 3,536 Sq Ft
141 Dearborn Rd

Greenland, NH
- $523/SF
- 111 Days On Market
Erin Proulx KW Coastal and Lakes & Mountains Realty/Portsmouth

$500,000 Sold Apr 15, 2026
- Land
- 16.89 Acre Lot
161 Lowell St

Rochester, NH
- 51 Days On Market
Erin Proulx KW Coastal and Lakes & Mountains Realty/Portsmouth

$525,000 Sold Feb 27, 2026
- 3 Beds
- 2.5 Baths
- 1,758 Sq Ft
22A Birch Hill Ln

Unit 22A

Somersworth, NH
- 1% Above List
- $299/SF
- 104 Days On Market
Erin Proulx KW Coastal and Lakes & Mountains Realty/Portsmouth

$558,250 Sold Feb 27, 2026
- 3 Beds
- 2.5 Baths
- 1,743 Sq Ft
19A Birch Hill Ln

Unit 19A

Somersworth, NH
- 2% Above List
- $320/SF
- 34 Days On Market
Erin Proulx KW Coastal and Lakes & Mountains Realty/Portsmouth

$563,650 Sold Feb 19, 2026
- 3 Beds
- 2.5 Baths
- 1,743 Sq Ft
19B Birch Hill Ln

Unit 19B

Somersworth, NH
- 2% Above List
- $323/SF
Erin Proulx KW Coastal and Lakes & Mountains Realty/Portsmouth

Other Experience

Luxury Homes

Agent License: New Hampshire 065185 Vermont 065185

Erin Proulx

(603) 420-7674

Homes for Sale by City

Erin Proulx

About Erin

Transaction History

Seller Deals

Buyer Deals

Production Over Time

1 Year View by Quarter

Seller Deals

Buyer Deals

Production Over Time

2 Year View by Quarter

Seller Deals

Buyer Deals

Production Over Time

5 Year View

Neighborhoods Erin is Experienced In

Erin's Listings and Deals

Erin's Recent Active Listings

Recently Sold

Other Experience